Merge pull request #32012 from bwolmarans/patch-1

--all-namespaces shorthand

Author: k8s-ci-robot

content/en/docs/reference/kubectl/cheatsheet.md

@@ -39,6 +39,11 @@ complete -F __start_kubectl k
 source <(kubectl completion zsh)  # setup autocomplete in zsh into the current shell
 echo "[[ $commands[kubectl] ]] && source <(kubectl completion zsh)" >> ~/.zshrc # add autocomplete permanently to your zsh shell
 ```
+### A Note on --all-namespaces
+
+Appending `--all-namespaces` happens frequently enough where you should be aware of the  shorthand for `--all-namespaces`:
+
+```kubectl -A```
 
 ## Kubectl context and configuration